Brood Sliver is a great option for Sliver Tribal as it greatly help us multiply our Slivers by giving us the option to create a 1/1 colorless Sliver creature token whenever a Sliver deals combat damage to a player (which is very often in a combat oriented build)
The classic combo is to Stifle it, but these days you can also combo it with a Torpor Orb, Hushbringer or Strict Proctor
The Antiquities designers (Skaff Elias, Jim Lin, Dave Petty and Chris Pageand yes, back then much of the naming was done by the design teams) were being clever with wordplay
This can also be used to copy your own creatures that are about to be killed by other effects, effectively saving it
They won a stunning victory, and Kytheon eventually became a champion of Heliod, the sun god, and he was tasked with slaying Erebos's Titan